Nissan Titan. Manual — part 551

B1049 – B1052, B1054 – B1057 DRIVER AIRBAG MODULE

SRC-19

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

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J

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M

A

B

SRC

N

O

P

2.

WIRING HARNESS

Is there any visible damage to the harness?
YES or NO

YES

>> Replace the harness.

NO

>> GO TO 3

3.

CHECK SPIRAL CABLE CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect driver air bag module harness connectors and combination switch (spiral cable) harness con-

nector.

3. Check continuity between driver air bag module harness connector and combination switch (spiral cable)

connector.

4. Check continuity between driver air bag module harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace the combination switch (spiral cable). Refer to

SR-6, "Removal and Installation"

.

4.

AIR BAG DIAGNOSIS SENSOR UNIT

Replace the air bag diagnosis sensor unit. Refer to

SR-17, "Removal and Installation"

.

>> GO TO 5

5.

DRIVER AIR BAG MODULE

Replace the driver air bag module. Refer to

SR-4, "Removal and Installation"

.

>> GO TO 6

6.

RELATED HARNESS

Replace the related harness.

>> END

Driver air bag module

Combination switch (spiral cable)

Continuity

Connector

Terminal

Connector

Terminal

M100

10

M29

30

Yes

11

23

M103

12

28

13

23

Driver air bag module

Ground

Continuity

Connector

Terminal

M100

10

No

11

M103

12

13

SRC-20

< DTC/CIRCUIT DIAGNOSIS >

B1065 – B1068, B1070 – B1073 PASSENGER AIRBAG MODULE

B1065 – B1068, B1070 – B1073 PASSENGER AIRBAG MODULE

Description

INFOID:0000000009882880

DTC B1065 – B1068, B1070 – B1073 PASSENGER AIR BAG MODULE

The passenger air bag module is dual stage and wired to the air bag diagnosis sensor unit. The air bag diag-

nosis sensor unit will monitor for opens and shorts in detected lines to the passenger air bag module.

PART LOCATION

Refer to

SRC-7, "SRS Component Parts Location"

.

DTC Logic

INFOID:0000000009882881

DTC DETECTION LOGIC

With CONSULT

Without CONSULT

DTC CONFIRMATION PROCEDURE (With CONSULT)

1.

INSPECTION START

Turn ignition switch ON.

>> GO TO 2.

2.

CHECK SELF-DIAG RESULT

Check for the DTC on CONSULT.

CONSULT name

DTC

DTC detecting condition

Repair order

ASSIST A/B MODULE

[OPEN]

B1065

Front passenger air bag module circuit
(AS1) is open.

1.

Visually check the wiring harness connection.

2.

Replace the harness if it has visible damage.

3.

Replace the air bag diagnosis sensor unit.

4.

Replace the front passenger air bag module.

5.

Replace the related harness.

B1070

Front passenger air bag module circuit
(AS2) is open.

ASSIST A/B MODULE

[VB-SHORT]

B1066

Front passenger air bag module circuit
(AS1) is shorted to a power supply circuit.

B1071

Front passenger air bag module circuit
(AS2) is shorted to a power supply circuit.

ASSIST A/B MODULE

[GND-SHORT]

B1067

Front passenger air bag module circuit
(AS1) is shorted to ground.

B1072

Front passenger air bag module circuit
(AS2) is shorted to ground.

ASSIST A/B MODULE

[SHORT]

B1068

Front passenger air bag module circuits
(AS1) are shorted to each other.

B1073

Front passenger air bag module circuits
(AS2) are shorted to each other.

AWHIA0307GB

B1065 – B1068, B1070 – B1073 PASSENGER AIRBAG MODULE

SRC-21

< DTC/CIRCUIT DIAGNOSIS >

C

D

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A

B

SRC

N

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P

Is the DTC detected?

YES

>> Refer to

SRC-21, "Diagnosis Procedure (Component Diagnosis)"

.

NO

>> Inspection End.

DTC CONFIRMATION PROCEDURE (Without CONSULT)

NOTE:

SRS will not enter diagnosis mode if no malfunction is detected in user mode.

1.

IGNITION SWITCH

Turn ignition switch ON.

>> GO TO 2

2.

IGNITION SWITCH

After air bag warning lamp lights for 7 seconds, turn ignition switch OFF within 1 second.

>> GO TO 3

3.

WAIT TIME

Wait more than 3 seconds.

>> GO TO 4

4.

REPEAT STEPS

Repeat steps 1 to 3 twice.

>> GO TO 5

5.

IGNITION SWITCH

Turn ignition switch ON.

>> GO TO 6

6.

DIAGNOSTIC MODE

SRS system is now in diagnostic mode and AIR BAG warning lamp flashes. Refer to

SRC-15, "Trouble Diag-

nosis without CONSULT"

.

>> END

Diagnosis Procedure (Component Diagnosis)

INFOID:0000000009882882

Recheck SRS after each replacement.

1.

HARNESS CONNECTOR

Is there any visible damage to the connector?
YES or NO

YES

>> Replace the harness.

NO

>> GO TO 2

2.

WIRING HARNESS

Is there any visible damage to the harness?
YES or NO

YES

>> Replace the harness.

NO

>> GO TO 3

3.

AIR BAG DIAGNOSIS SENSOR UNIT

Replace the air bag diagnosis sensor unit. Refer to

SR-17, "Removal and Installation"

.

SRC-22

< DTC/CIRCUIT DIAGNOSIS >

B1065 – B1068, B1070 – B1073 PASSENGER AIRBAG MODULE

>> GO TO 4

4.

FRONT PASSENGER AIR BAG MODULE

Replace the front passenger air bag module. Refer to

SR-8, "Removal and Installation"

.

>> GO TO 5

5.

RELATED HARNESS

Replace the related harness.

>> END